Stadium: Court 2 Round: 25 Ground: Clay
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/21 16:30 | Nusdeo, Joao Marcos v Jean-Christian Morandais | 4-6,4-6 |
| ITF M15 Belem | 2023/08/17 19:25 | Nusdeo, Joao Marcos v Joao Eduardo Schiessl | 1-6,2-6 |
| ITF M15 Belem | 2023/08/15 17:00 | Nusdeo, Joao Marcos v Gabriel Roveri Sidney | 6-4,2-6,7-5 |
| ITF - M15 Monastir | 2023/07/16 08:00 | Ignasi Forcano v Nusdeo, Joao Marcos | 4-6,7-5,13-11 |
| ITF - M15 Monastir | 2023/07/09 08:30 | Nusdeo, Joao Marcos v Alvin N Tudorica | 2-6,2-6 |
| ITF - M15 Monastir | 2023/07/03 08:30 | Nusdeo, Joao Marcos v Scott, Andreas | 3-6,0-6 |
| ITF - M15 Monastir | 2023/07/02 08:30 | Nusdeo, Joao Marcos v Hugo Cardinaud | 7-5,6-4 |
| ITF M15 Chieti | 2023/06/12 07:30 | Nusdeo, Joao Marcos v Rushil Khosla | 4-6,4-6 |
| ITF - M25 Punta del Este | 2023/09/19 13:00 | Gonzalo Zeitune v Julian Cundom | 6-4,6-3 |
| ITF - M25 Punta del Este | 2023/09/18 13:00 | Gino Romano v Gonzalo Zeitune | 3-6,1-6 |
| ITF M15 Olavarria | 2023/09/03 12:00 | Gonzalo Zeitune v Manuel Mouilleron Salvo | 1-6,5-7 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2023/08/29 13:00 | Gonzalo Zeitune v Adolfo Daniel Vallejo | 4-6,1-6 |
| ITF M25 Trujillo | 2023/08/13 15:00 | Lucio Ratti v Gonzalo Zeitune | 7-6,6-1 |
| ITF M15 Arequipa | 2023/08/07 15:00 | Frazier Rengifo v Gonzalo Zeitune | 6-2,4-6,10-6 |
| Challenger - Santa Fe | 2023/07/02 14:55 | Gonzalo Zeitune v Hernando J E Isnardi | 6-2,3-6,2-6 |
| ITF M25 Rosario | 2023/06/29 15:20 | Gonzalo Zeitune v Guido Ivan Justo | 1-6,2-6 |